He has made up his mind to _____ his dream no matter what difficulties he may run into. [ ]

Everyone hopes that we can do something to make things better, so we can’t help ______ under the stress.

The retired man donated most of his savings to the school damaged by the earthquake in Yushu,_____the students to retum to their classrooms. [ ]

the novel had a happy ending, the readers wereleft ____.

His writing is so confusing that it’s difficult to make out ________ he is trying to express.